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2020335000020 = 225362412787361
BaseRepresentation
bin11101011001100101010…
…110011001100111010100
321011010211121201212211222
4131121211112121213110
5231100121230000040
64144043514345512
7265651533103301
oct35314526314724
97133747655758
102020335000020
1170990148a327
1228767a12b298
1311869447286c
146dadb45a0a8
153784836cbb5
hex1d6655999d4

2020335000020 has 24 divisors (see below), whose sum is σ = 4242822091368. Its totient is φ = 808111411200.

The previous prime is 2020334999999. The next prime is 2020335000023. The reversal of 2020335000020 is 200005330202.

It can be written as a sum of positive squares in 4 ways, for example, as 63704750404 + 1956630249616 = 252398^2 + 1398796^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020335000023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 668861 + ... + 2118500.

It is an arithmetic number, because the mean of its divisors is an integer number (176784253807).

Almost surely, 22020335000020 is an apocalyptic number.

2020335000020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2020335000020 is an abundant number, since it is smaller than the sum of its proper divisors (2222487091348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2020335000020 is a wasteful number, since it uses less digits than its factorization.

2020335000020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2823611 (or 2823609 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 17.

The spelling of 2020335000020 in words is "two trillion, twenty billion, three hundred thirty-five million, twenty", and thus it is an aban number.

Divisors: 1 2 4 5 10 20 36241 72482 144964 181205 362410 724820 2787361 5574722 11149444 13936805 27873610 55747220 101016750001 202033500002 404067000004 505083750005 1010167500010 2020335000020